// pages/Shopping Cart/Shopping Cart.js
const {
  ShopList,
  ShopCheck,
  ShopDel,
  ShopChange
} = require('../../utils/api')
Page({

  /**
   * 页面的初始数据
   */
  data: {
    Shop: [],
    Price: 0,
  },
  getlist() {
    ShopList({
      token: wx.getStorageSync('token')
    }).then(res => {
      // console.log(res);
      this.setData({
        Shop: res,
        Price:res.price
      })
      console.log(this.data.Shop);
    })
  },
  // 修改状态
  ChangeCheck(e) {
    // console.log(e);
    let item = e.currentTarget.dataset.item
    // console.log(item.selected);
    ShopCheck({
      key: item.key,
      selected:!item.selected,
      token: wx.getStorageSync('token')
    }).then((res) => {
      console.log(res);
      this.setData({
        Price: res.price,
        Shop: res
      })
      console.log(this.data.Shop);
    })
  },
  // 删除购物车
  Del(e) {
    // console.log(e.currentTarget.dataset.obj);
    let obj = e.currentTarget.dataset.obj
    ShopDel({
      key: obj.key,
      token: wx.getStorageSync('token')
    }).then((res) => {
      this.CunChu(res)
      // console.log(res);
      this.setData({
        Shop: res,
        Price: res.price || 0,
      })
    })
  },
  // 修改购物车数量(加)
  onChange(e) {
    // console.log(e.currentTarget.dataset.val);
    let Val = e.currentTarget.dataset.val
    Val.number++
    ShopChange({
      key: Val.key,
      number: Val.number,
      token: wx.getStorageSync('token')
    }).then((res) => {
      // console.log(res);
      this.setData({
        Shop: res,
        Price:res.price
      })
    })
  },
  // 修改购物车数量(减)
  onChange1(e) {
    let Val = e.currentTarget.dataset.val
    Val.number--
    ShopChange({
      key: Val.key,
      number: Val.number,
      token: wx.getStorageSync('token')
    }).then((res) => {
      // console.log(res);
      this.setData({
        Shop: res,
        Price: res.price 
      })
    })
  },
  CunChu(data){
    wx.setStorageSync('shop', data.length)
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {

  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {
    this.getlist()
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide() {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh() {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom() {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage() {

  }
})